Suppose two 10-Newton weights hang pull on a spring scale as shown. What will the spring scale read? 0 Newtons? 10 Newtons? 20 Newtons?
spring scale |
string |
2 pulleys |
2 ring stands |
2 ring stand clamps |
2 c-clamps |
2 identical weights (5 - 10 Newtons each) |
Assemble the apparatus as shown in the diagram. Be sure to "zero" the spring scale.
What does the spring scale read? Record this measurement.
How does the spring scale reading compare to the weight of one of the masses attached to it? Why?